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2026-04-04 - 21:30
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Apr 04, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11731212464,7sleep00-21swapper/007:05:450
120312117106,6sleep10-21swapper/107:09:391
120072114104,7sleep20-21swapper/207:09:202
117092113101,7sleep30-21swapper/307:05:273
918521120,0sleep20-21swapper/209:55:182
107012650,0sleep10-21swapper/110:25:181
225092610,1sleep010-21rcuc/009:40:160
184272590,1sleep318432-21gltestperf08:10:153
312672580,0sleep10-21swapper/107:25:001
190842550,1sleep010-21rcuc/010:05:170
105852550,0sleep00-21swapper/011:50:190
199602540,0sleep00-21swapper/012:30:150
1222999281,26cyclictest0-21swapper/208:24:002
1222199280,27cyclictest0-21swapper/109:24:541
1222999270,26cyclictest0-21swapper/212:25:412
1222999270,26cyclictest0-21swapper/210:42:312
1222999270,26cyclictest0-21swapper/209:40:512
1222999270,26cyclictest0-21swapper/208:49:002
1222999270,26cyclictest0-21swapper/208:19:222
1222199270,26cyclictest0-21swapper/111:45:401
1222199270,26cyclictest0-21swapper/111:25:231
1222199270,26cyclictest0-21swapper/110:37:221
1222199270,26cyclictest0-21swapper/110:04:061
1222199270,26cyclictest0-21swapper/109:01:211
1222199270,26cyclictest0-21swapper/108:04:031
1222199260,25cyclictest311772sleep109:16:421
1222199260,25cyclictest0-21swapper/112:10:051
1222199260,25cyclictest0-21swapper/111:42:111
1222199260,25cyclictest0-21swapper/111:30:591
1222199260,25cyclictest0-21swapper/109:37:181
1222199260,25cyclictest0-21swapper/108:58:151
1222199260,25cyclictest0-21swapper/108:18:361
1221999260,24cyclictest19064-21awk10:34:590
251312250,0sleep10-21swapper/111:35:171
12229992522,2cyclictest0-21swapper/209:50:152
1222999250,24cyclictest0-21swapper/212:12:172
12221992523,2cyclictest0-21swapper/108:24:181
12221992523,2cyclictest0-21swapper/108:05:301
1222199250,24cyclictest0-21swapper/110:33:541
1222199250,24cyclictest0-21swapper/110:18:301
1222199250,24cyclictest0-21swapper/109:42:211
1222199250,24cyclictest0-21swapper/107:40:291
12221992422,2cyclictest0-21swapper/110:53:311
12221992422,2cyclictest0-21swapper/109:30:131
12221992421,2cyclictest30831-21cstates10:45:121
12221992417,7cyclictest0-21swapper/111:52:051
12219992411,9cyclictest0-21swapper/007:45:210
1222999231,21cyclictest0-21swapper/212:23:022
1222999230,17cyclictest0-21swapper/212:32:152
12221992321,2cyclictest0-21swapper/112:33:291
12221992320,3cyclictest0-21swapper/111:13:521
1222199230,22cyclictest0-21swapper/108:49:421
12229992218,3cyclictest0-21swapper/210:49:512
1222999221,3cyclictest0-21swapper/211:17:292
1222999221,3cyclictest0-21swapper/208:36:242
1222999221,3cyclictest0-21swapper/207:41:442
1222999220,21cyclictest0-21swapper/211:24:342
1222999220,21cyclictest0-21swapper/211:07:052
12221992221,1cyclictest0-21swapper/108:50:031
12221992220,2cyclictest0-21swapper/112:18:161
12221992220,2cyclictest0-21swapper/107:28:351
12221992220,2cyclictest0-21swapper/107:13:591
1222199221,3cyclictest0-21swapper/111:18:531
1222199221,20cyclictest0-21swapper/110:44:451
1222199221,20cyclictest0-21swapper/108:27:001
1222199220,3cyclictest0-21swapper/107:48:381
1222199220,21cyclictest0-21swapper/111:20:491
1222199220,21cyclictest0-21swapper/110:56:521
1222199220,21cyclictest0-21swapper/109:09:311
1222199220,21cyclictest0-21swapper/108:34:001
1222199220,21cyclictest0-21swapper/107:54:081
1222199220,21cyclictest0-21swapper/107:18:201
12219992220,2cyclictest0-21swapper/010:53:090
12229992117,3cyclictest0-21swapper/211:51:072
12229992117,3cyclictest0-21swapper/211:36:582
12229992117,2cyclictest27074-21ps11:10:162
1222999210,3cyclictest0-21swapper/209:18:092
1222999210,3cyclictest0-21swapper/207:20:052
1222999210,20cyclictest0-21swapper/210:30:242
1222999210,20cyclictest0-21swapper/208:28:452
1222999210,20cyclictest0-21swapper/207:59:262
1222999210,20cyclictest0-21swapper/207:47:142
12221992120,1cyclictest0-21swapper/112:25:161
12221992119,2cyclictest0-21swapper/112:08:261
12221992119,2cyclictest0-21swapper/110:06:001
12221992117,3cyclictest0-21swapper/109:46:061
1222199210,20cyclictest0-21swapper/112:21:231
1222199210,20cyclictest0-21swapper/112:00:311
1222199210,20cyclictest0-21swapper/111:02:381
1222199210,20cyclictest0-21swapper/110:20:511
1222199210,20cyclictest0-21swapper/109:50:061
1222199210,20cyclictest0-21swapper/108:12:001
1222199210,20cyclictest0-21swapper/107:37:411
12219992119,1cyclictest749-21snmpd12:14:010
12219992117,3cyclictest749-21snmpd09:46:420
1221999210,20cyclictest0-21swapper/010:29:540
29352208,3sleep30-21swapper/308:53:573
12229992018,1cyclictest749-21snmpd11:31:052
12229992018,1cyclictest749-21snmpd10:37:332
12229992018,1cyclictest749-21snmpd10:01:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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